As of June 2026 WESCO International has a market cap of S$21.65 Billion. This makes WESCO International the world's 1345th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jun 29th, 2026 the market cap of WESCO International was reported to be: